Not necessarily. Most of Rails+React apps I have worked on have had the frontend code live in the same repository, and get deployed during the same step.
Yes, you have to keep API compatibility in mind when doing changes, because long-lived sessions might still exist. But has not been that much of a big deal in my experience.
Yes, you have to keep API compatibility in mind when doing changes, because long-lived sessions might still exist. But has not been that much of a big deal in my experience.